Mice & Trackballs Comfortable Design We do understand how important to use a comfortable mouse. With the ergonomic comfortable design, you won't feel any pain on your wrist after a long day's work, definitely a must have for your office, home Ultra Quiet Clicking We know your demands of a quiet mouse. This wirele mouse reduces noise up to 90% while you can hardly hear any clicking noise.With upgraded high sensor, This seenda wirele mouse features 3 levels adjustable DPI:800/1200/1600, which greatly meets your daily demands. This mouse is ultra small and compact, it is light and portable enough for you to pack up in your school bag, busine bag or even in your pocket. ON/OFF Switch & Auto Sleep This mouse uses 650 mAh rechargeable battery and a single charge would power your mouse for 7 days (with lights on). It goes to sleep mode itself after several minuts of inactivity and you can wake it up with a slight click. The on-off switch on the bottom also help you go further between charges. Light Up Design with LED Rainbow Light You can switch between 15 different light patterns to help light up your boring day. You can also turn the lights of by a long pre of switch button. This can be a nice gift for your kids boys girls students, perfect to use for home schooling, office, library or travel.